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Halberstadt D.I

Imperial Germany (1916)
Picture of Halberstadt D.I Single-Seat Biplane Fighter Prototype

The Halberstadt D.I fighter prototype failed to impress German authorities and this limited the design to just two prototypes.


Detailing the development and operational history of the Halberstadt D.I Single-Seat Biplane Fighter Prototype.  Entry last updated on 12/9/2016. Authored by Staff Writer. Content ©www.MilitaryFactory.com

Halberstadter Flugzeugwerke (Halberstadt) of German made its first foray into fighter aircraft design with the "D.I" of 1915. The design was a dimensionally smaller version of the company's B.II product and featured many qualities of combat aircraft of the period - an over-under biplane wing structure, fixed undercarriage and open-air cockpit. The D.I initially failed to impress German authorities and the line ended at just two prototypes completed - but this work served to produce the refined D.II model (detailed elsewhere on this site).

The D.I differed from the earlier B.II in that it held smaller-area wings and these appendages were staggered. As a combat aircraft, it was also finalized with a single 7.92mm MG08 machine gun in a fixed, forward-firing mounting. The engine was fitted to the nose in the usual way and drove a two-bladed propeller unit. The radiator element protruded noticeably out of the nose and restricted forward vision some. The fuselage showcased slab sides and the tail was of conventional arrangement.

The first of two prototypes emerged for testing with an Argus As II engine of 120 horsepower and a first-flight was recorded in late-Autumn of 1915. The second followed with a Mercedes D.I of 100 horsepower. Some promise was shown in the latter offering to the point that a twelve-strong order was placed in March of 1916. However, during the evaluation period, the aircraft was found lacking in certain qualities which, when refined, led to the developed "D.II" detailed elsewhere on this site.

From the recorded work, the D.I showcased a wingspan of 28.9 feet, an empty weight of 1,210lb and a MTOW of 1,630lb. Much of its performance figures are unknown.

Any available statistics for the Halberstadt D.I Single-Seat Biplane Fighter Prototype are showcased in the areas immediately below. Categories include basic specifications covering country-of-origin, operational status, manufacture(s) and total quantitative production. Other qualities showcased are related to structural values (namely dimensions), installed power and standard day performance figures, installed or proposed armament and mission equipment (if any), global users (from A-to-Z) and series model variants (if any).






Our Data Modules allow for quick visual reference when comparing a single entry against contemporary designs. Areas covered include general ratings, speed assessments, and relative ranges based on distances between major cities.

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Relative Maximum Speed Rating
Hi: 100mph
Lo: 50mph
    This entry's maximum listed speed (93mph).

    Graph average of 75 miles-per-hour.
Aviation Era
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Unit Production Comparison
Comm. Market HI*: 44,000 units
Military Market HI**: 36,183 units
2
2


  * Commercial Market High belongs to Cessna 172.

  ** Military Market High belongs to Ilyushin Il-2.


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Origin: Imperial Germany
Year: 1916
Type: Single-Seat Biplane Fighter Prototype
Manufacturer(s): Halberstadt - German Empire
Production: 2
Global Operators:
Imperial Germany
Historical Commitments / Honors:

Military lapel ribbon for Operation Allied Force
Military lapel ribbon for the Arab-Israeli War
Military lapel ribbon for the Battle of Britain
Military lapel ribbon for the Battle of Midway
Military lapel ribbon for the Berlin Airlift
Military lapel ribbon for the Chaco War
Military lapel ribbon for the Cold War
Military lapel ribbon for the Cuban Missile Crisis
Military lapel ribbon for the Falklands War
Military lapel ribbon for the French-Indochina War
Military lapel ribbon for the Golden Age of Flight
Military lapel ribbon for the 1991 Gulf War
Military lapel ribbon for the Indo-Pak Wars
Military lapel ribbon for the Iran-Iraq War
Military lapel ribbon for the Korean War
Military lapel ribbon for the 1982 Lebanon War
Military lapel ribbon for the Malayan Emergency
Military lapel ribbon for the attack on Pearl Harbor
Military lapel ribbon for the Six Day War
Military lapel ribbon for the Soviet-Afghan War
Military lapel ribbon for the Spanish Civil War
Military lapel ribbon for the Suez Crisis
Military lapel ribbon for the Vietnam War
Military lapel ribbon for Warsaw Pact of the Cold War-era
Military lapel ribbon for the WASP (WW2)
Military lapel ribbon for the World War 1
Military lapel ribbon for the World War 2
Military lapel ribbon for the Yom Kippur
* Ribbons not necessarily indicative of actual historical campaign ribbons. Ribbons are clickable to their respective campaigns/operations.
Measurements and Weights icon
Structural - Crew, Dimensions, and Weights:
Unless otherwise noted the presented statistics below pertain to the Halberstadt D.I model. Common measurements, and their respective conversions, are shown when possible.

Operational
CREW


Personnel
1


Dimension
WIDTH


Feet
28.87 ft


Meters
8.8 m


Weight
EMPTY


Pounds
1,213 lb


Kilograms
550 kg


Weight
LOADED


Pounds
1,653 lb


Kilograms
750 kg

Engine icon
Installed Power - Standard Day Performance:
Second Prototype: 1 x Mercedes D.I engine developing 100 horsepower and driving a two-bladed propeller at the nose.

Performance
SPEED


Miles-per-Hour
93 mph


Kilometers-per-Hour
150 kph


Knots
81 kts


Performance
CEILING


Feet
13,123 ft


Meters
4,000 m


Miles
2.49 mi


Performance
CLIMB RATE


Feet-per-Minute
728 ft/min


Meters-per-Minute
222 m/min

Supported Weapon Systems:

Graphical image of an aircraft medium machine gun
Armament - Hardpoints (0):

1 x 7.92mm MG08 machine gun (starboard side fuselage mounting).
Variants: Series Model Variants
• D.I - Series Designation; two prototypes completed.
• D.I V1 - First prototype with Argus As II engine of 120 horsepower.
• D.I V2 - Second prototype with Mercedes D.I engine of 100 horsepower.